Home / 12,256,421.70-16,913,214.26-7,029,159.72

Finding the Fourth Proportional to 12,256,421.70, 16,913,214.26 and 7,029,159.72

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Solution

The fourth proportional to 12,256,421.70, 16,913,214.26 and 7,029,159.72 is: 9,699,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256,421.70 : 16,913,214.26 = 7,029,159.72 : x
  2. Step 2: Convert to fraction form
    12,256,421.70/16,913,214.26 = 7,029,159.72/x
  3. Step 3: Cross multiply
    12,256,421.70x = 16,913,214.26 × 7,029,159.72
  4. Step 4: Simplify right side
    12,256,421.70x = 118,885,684,412,121.61
  5. Step 5: Solve for x
    x = 118,885,684,412,121.61/12,256,421.70
  6. Step 6: Final answer
    x = 9,699,868.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.